CVE-2026-42207: Magento LTS Vulnerable to Open Redirect via Unvalidated `uenc` Parameter in `stockAction()`

medium Affects openmage/magento-lts. Feed 2026.10.29.1, updated 2026-10-28; published 2026-05-05; advisory modified 2026-05-16.

Magento LTS Vulnerable to Open Redirect via Unvalidated `uenc` Parameter in `stockAction()`

Package: openmage/magento-lts Composer
Affected versions: <20.18.0
Fixed in: 20.18.0
Severity: medium CVSS 6.1
Exploitation: not on CISA KEV · EPSS 0% (7.0th percentile)
Published: 2026-05-05
Source: osv.dev

References

CWE-601

NVD record openmage/magento-lts advisories

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